is are there, there, all up and down this street by private companies. >> well, you know, before law enforcement used its cameras, whether they be public cameras or private cameras, there need to be strict protocols in in place to be sure they are not abused. >> it's a balancing act we have to weigh safety and security with privacy concerns and civil liberties. where would that information be sent? i think that's another key point and how long would it be kept for? >> reporter: it's interesting. the next stop for this is san francisco's city hall and allen, if you are wondering what the debate might be like there i called a number of supervisors asking for their opinions. only one called back. it's going to be interesting. obviously they are going to try to see how this works. split in the public. public safety versus personal privacy. >> you know, phil, that raises a good point about how long they keep the information because there is no law, no universal rule. it's community to community, isn't it? >> reporter: exactly. it's actually -- they want those in the department, as well.